Global Patent Index - EP 1235980 A1

EP 1235980 A1 2002-09-04 - VALVE FOR CONTROLLING LIQUIDS

Title (en)

VALVE FOR CONTROLLING LIQUIDS

Title (de)

VENTIL ZUM STEUERN VON FLÜSSIGKEITEN

Title (fr)

VANNE DE COMMANDE DE LIQUIDES

Publication

EP 1235980 A1 (DE)

Application

EP 00984898 A

Priority

  • DE 0004146 W
  • DE 19956598 A

Abstract (en)

[origin: WO0138720A1] The invention relates to a valve for controlling liquids, comprising a first valve element (6), which controls the impingement of a pressure upon a high-pressure chamber (15), a control element (3), which controls the actuation of the first valve element (6) and a second valve element (8), which controls the impingement of a pressure upon a valve member (26). According to the invention, the control element (3) is configured as a piezo actuator and also controls the actuation of the second valve element (8).

IPC 1-7 (main, further and additional classification)

F02M 45/04; F02M 45/06; F02M 45/08; F02M 47/04; F02M 57/02; F02M 59/10; F02M 59/46; F16K 31/00

IPC 8 full level (invention and additional information)

F02M 47/00 (2006.01); F02M 45/04 (2006.01); F02M 45/06 (2006.01); F02M 45/08 (2006.01); F02M 47/02 (2006.01); F02M 47/04 (2006.01); F02M 57/02 (2006.01); F02M 59/10 (2006.01); F02M 59/46 (2006.01); F02M 61/20 (2006.01); F02M 63/00 (2006.01); F02M 63/02 (2006.01); F02M 63/04 (2006.01); F16K 31/00 (2006.01)

CPC (invention and additional information)

F02M 63/0026 (2013.01); F02M 45/04 (2013.01); F02M 45/06 (2013.01); F02M 45/08 (2013.01); F02M 47/027 (2013.01); F02M 47/043 (2013.01); F02M 57/025 (2013.01); F02M 59/105 (2013.01); F02M 59/468 (2013.01); F02M 63/0061 (2013.01); F02M 63/0225 (2013.01); F16K 31/008 (2013.01)

Citation (search report)

See references of WO 0138720A1

Designated contracting state (EPC)

DE FR IT

EPO simple patent family

WO 0138720 A1 20010531; CZ 20021776 A3 20031112; DE 19956598 A1 20010613; EP 1235980 A1 20020904; HU 0203401 A2 20030228; JP 2003515047 A 20030422

INPADOC legal status


2004-12-08 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040602

2004-05-26 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION):

- Designated State(s): DE FR IT

2002-09-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020625

2002-09-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR